DL 1787 then AA 5447 at Dulles
Detroit → Washington → Charlotte
Timetable, Washington time
16:28DL 1787 from Detroit at the gate
15:55AA 5447 to Charlotte leaves the gate
23 h 27 apart on the timetable, overnight
AA 5447 leaves 23 h 27 after DL 1787 arrives on the timetable: more than half a day, so not a connection we count.